(c) Interpret the confidence interval. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) OA. There is a OB. One can be OC. The mean drive-through service time of Taco Bell is OD. One can be % probability that the mean drive-through service time of Taco Bell is between % confident that the mean drive-through service time of Taco Bell is between seconds % of the time. % confident that the mean drive-through service time of Taco Bell is seconds. seconds and seconds and seconds. seconds

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The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. An 80% confidence interval that results from examining 765 customers in Taco
Bell's drive-through has a lower bound of 169.9 seconds and an upper bound of 175.7 seconds. Complete parts (a) through (c).
***
(a) What is the mean service time from the 765 customers?
The mean service time from the 765 customers is 172.8 seconds
(Type an integer or a decimal. Do not round.)
(b) What is the margin of error for the confidence interval?
4
The margin of error is 2.9 seconds.
(Type an integer or a decimal. Do not round.)
(c) Interpret the confidence interval.
Clear all
Check answer
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Transcribed Image Text:The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. An 80% confidence interval that results from examining 765 customers in Taco Bell's drive-through has a lower bound of 169.9 seconds and an upper bound of 175.7 seconds. Complete parts (a) through (c). *** (a) What is the mean service time from the 765 customers? The mean service time from the 765 customers is 172.8 seconds (Type an integer or a decimal. Do not round.) (b) What is the margin of error for the confidence interval? 4 The margin of error is 2.9 seconds. (Type an integer or a decimal. Do not round.) (c) Interpret the confidence interval. Clear all Check answer Help me solve this (?) 1:40 PM 6/17/2022 H Type here to search P E $ View an example 4 96 5 T G B 6 Get more help. Bi H U 8 M 1 hp ( K a O g O 97°F 7 1 8
*****
(c) Interpret the confidence interval.
Select the correct choice below and fill in the answer boxes to complete your choice.
(Type integers or decimals. Do not round.)
OA. There is a
OB. One can be
OC. The mean drive-through service time of Taco Bell is
OD. One can be
Help me solve this View an example Get more help.
H
Type here to search
O
.*
#
% probability that the mean drive-through service time of Taco Bell is between
% confident that the mean drive-through service time of Taco Bell is between
seconds % of the time.
% confident that the mean drive-through service time of Taco Bell is
seconds.
E
R
F
5
G
6
H
seconds and
seconds and
seconds.
seconds.
Clear all
(?)
Transcribed Image Text:***** (c) Interpret the confidence interval. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Do not round.) OA. There is a OB. One can be OC. The mean drive-through service time of Taco Bell is OD. One can be Help me solve this View an example Get more help. H Type here to search O .* # % probability that the mean drive-through service time of Taco Bell is between % confident that the mean drive-through service time of Taco Bell is between seconds % of the time. % confident that the mean drive-through service time of Taco Bell is seconds. E R F 5 G 6 H seconds and seconds and seconds. seconds. Clear all (?)
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